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Finding the Fourth Proportional to 447,601.63, 617,742.99 and 251,400.46

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Solution

The fourth proportional to 447,601.63, 617,742.99 and 251,400.46 is: 346,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,601.63 : 617,742.99 = 251,400.46 : x
  2. Step 2: Convert to fraction form
    447,601.63/617,742.99 = 251,400.46/x
  3. Step 3: Cross multiply
    447,601.63x = 617,742.99 × 251,400.46
  4. Step 4: Simplify right side
    447,601.63x = 155,300,871,847.78
  5. Step 5: Solve for x
    x = 155,300,871,847.78/447,601.63
  6. Step 6: Final answer
    x = 346,962.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.